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EC number: 217-038-0 | CAS number: 1726-23-4
Henry's Law constant
Administrative data
Link to relevant study record(s)
Description of key information
Henry's Law constant: 0.0136 Pa-m3/mole
Key value for chemical safety assessment
- Henry's law constant (H) (in Pa m³/mol):
- 0.014
- at the temperature of:
- 25 °C
Additional information
The Henry's Law Constant (HLC) of tributyl benzene-1,2,4-tricarboxylate, calculated using the software HENRYWIN v3.20, leads to the following estimated results:
HLC= 1.87E-03 Pa-m3/mole (bond contribution)
HLC= 4.11E-04 Pa-m3/mole (group contribution)
HLC= 3.84E-02 Pa-m3/mole (VP/WS ratio)
It appears reasonable that the key HLC value, needed for the chemical safety assessment, can be the average of them:
HLC_key= 1.36E-02 Pa-m3/mole (1.34E-07 atm-m3/mole)
The above value indicates that the substance is essentially non volatile from surface water.
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